I pick out North America’s celestial highlights for the week ahead (which also applies to northern hemisphere mid-northern ...

Located less than 20 light years away, HD 20794d could potentially be one of the most Earth-like planets found so far, ...

Tonight and throughout January, stargazers can see a planetary alignment in the night sky or what some are calling a ...

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

But of these planets, which is nearest to the sun? Mercury is the closest planet to the sun, followed by Venus, Earth, Mars, ...

Planets Venus (top), Jupiter (middle), and Mars (bottom ... you’re peering into the vast expanse of our solar system. Each planet orbits the Sun at vastly different distances—Mercury sits ...

Four planets will be in the parade in January, while seven will align in February. Here's how to see the events.

Why is Venus so different? Several scientific instruments are to explore our neighboring planet. ESA has now awarded the ...

First discovered in 2009, GJ 1214 b is described by the JWST team as being “sub-Neptune-sized” - smaller than the outermost ...

The exoplanet Enaiposha (GJ 1214 b), previously thought to be a mini-Neptune, has been reclassified as a "Super-Venus" ...

Venus" exoplanet 47 light-years away, with a thick atmosphere, challenging previous planetary classifications.

Mars, Jupiter, Saturn, Venus, Uranus and Neptune will be visible in the sky at the same time, with tonight’s new moon ...